Gerätelimit drin

v2_adminpanel/init.sql

@@ -173,6 +173,38 @@ BEGIN
     END IF;
 END $$;
 
+-- Erweiterung der licenses Tabelle um device_limit
+DO $$ 
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns 
+                   WHERE table_name = 'licenses' AND column_name = 'device_limit') THEN
+        ALTER TABLE licenses 
+        ADD COLUMN device_limit INTEGER DEFAULT 3 CHECK (device_limit >= 1 AND device_limit <= 10);
+    END IF;
+END $$;
+
+-- Tabelle für Geräte-Registrierungen
+CREATE TABLE IF NOT EXISTS device_registrations (
+    id SERIAL PRIMARY KEY,
+    license_id INTEGER REFERENCES licenses(id) ON DELETE CASCADE,
+    hardware_id TEXT NOT NULL,
+    device_name TEXT,
+    operating_system TEXT,
+    first_seen TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    last_seen TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    is_active BOOLEAN DEFAULT TRUE,
+    deactivated_at TIMESTAMP WITH TIME ZONE,
+    deactivated_by TEXT,
+    ip_address TEXT,
+    user_agent TEXT,
+    UNIQUE(license_id, hardware_id)
+);
+
+-- Indizes für device_registrations
+CREATE INDEX IF NOT EXISTS idx_device_license ON device_registrations(license_id);
+CREATE INDEX IF NOT EXISTS idx_device_hardware ON device_registrations(hardware_id);
+CREATE INDEX IF NOT EXISTS idx_device_active ON device_registrations(license_id, is_active) WHERE is_active = TRUE;
+
 -- Indizes für Performance
 CREATE INDEX IF NOT EXISTS idx_resource_status ON resource_pools(status);
 CREATE INDEX IF NOT EXISTS idx_resource_type_status ON resource_pools(resource_type, status);